HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$235+ Cheap flights from Trenton, NJ to San Francisco (TTN - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SFO
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Trenton to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Trenton to San Francisco

One-way flights from Trenton to San Francisco
Search for one-way flight options from Trenton to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:26 pm
TTN
-
SFO
2 stops28h 43m
Frontier
Deal found 7/16$235
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:05 am
TTN
-
SFO
2 stops37h 01m
Frontier
Deal found 7/16$304
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/34:26 pm
TTN
-
SFO
2 stops21h 04m
Frontier
Deal found 7/15$340
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:23 am
TTN
-
SFO
2 stops42h 00m
Frontier
Deal found 7/15$356
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:05 am
TTN
-
SFO
2 stops37h 06m
Frontier
Deal found 7/15$374
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:25 am
TTN
-
SFO
3 stops19h 29m
Multiple Airlines
Deal found 7/16$381
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:44 pm
TTN
-
SFO
3 stops49h 02m
Multiple Airlines
Deal found 7/16$401
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:50 am
TTN
-
SFO
3 stops51h 12m
Multiple Airlines
Deal found 7/15$871

Find flight deals from Trenton to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Trenton (TTN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Average price

$500
Provider with most accurate pricing for Trenton-Mercer-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trenton-Mercer-San Francisco flights.
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trenton to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
Use the filters below to find and compare flights from Trenton to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Wed 8/12

4:26 pm-6:09 pm

2 stops28h 43m

$235

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Sat 8/1

9:23 am-12:23 am

2 stops42h 00m

$356

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Sun 8/2

6:05 am-4:11 pm

2 stops37h 06m

$374
Quickest one-way

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Wed 8/12

6:25 am-10:54 pm

3 stops19h 29m

$381

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Fri 8/7

5:44 pm-3:46 pm

3 stops49h 02m

$401

TrentonSan Francisco

TTN - SFO

TTNSFO

Trenton-Mercer

Sun 8/2

11:50 am-12:02 pm

3 stops51h 12m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Sorted by cheapest first

Compare providers for flights from Trenton to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Trenton to San Francisco in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Trenton, New Jersey-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Trenton, New Jersey-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Trenton, New Jersey-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trenton, New Jersey-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trenton, New Jersey-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Trenton to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Trenton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Trenton to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Trenton to San Francisco that include hotel bookings?

    Yes. In addition to deals on Trenton to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trenton to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trenton to San Francisco.

  • Can I find deals for business class flights from Trenton to San Francisco?

    Yes. Cheapflights offers flight deals from Trenton to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Clara
Santa Cruz
Fairfield
Roseville
Burlingame
Rancho Cordova
San Bruno
Cupertino
Emeryville
Newark
Watsonville
Hayward
Redwood City
San Carlos
San Ramon
Turlock
Vallejo
San Lorenzo
Davis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trenton to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to San Francisco flights
Newark to San Francisco flights
LaGuardia to San Francisco flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
Newark to Las Vegas flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to Ontario flights
LaGuardia to Las Vegas flights
Newark to San Jose flights
John F Kennedy Intl to Oakland flights
John F Kennedy Intl to San Jose flights
Newark to San Diego flights
John F Kennedy Intl to San Diego flights
Philadelphia to Las Vegas flights
Philadelphia to San Francisco flights
Newark to Ontario flights
LaGuardia to Ontario flights
Philadelphia to Los Angeles flights
Newark to Oakland flights
Newark to Santa Ana flights
John F Kennedy Intl to Santa Ana flights
LaGuardia to San Diego flights
Philadelphia to San Diego flights
Newark to Burbank flights
John F Kennedy Intl to Reno flights
John F Kennedy Intl to Sacramento flights
Newark to Sacramento flights
Philadelphia to Ontario flights
John F Kennedy Intl to Burbank flights
LaGuardia to Reno flights
John F Kennedy Intl to Long Beach flights
LaGuardia to Sacramento flights
Newark to Reno flights
Newark to Palm Springs flights
John F Kennedy Intl to Palm Springs flights
LaGuardia to San Jose flights
Trenton to Las Vegas flights
Trenton to Los Angeles flights
Philadelphia to Oakland flights
Philadelphia to Santa Ana flights
LaGuardia to Burbank flights
Philadelphia to Reno flights
John F Kennedy Intl to Santa Barbara flights
Philadelphia to San Jose flights
John F Kennedy Intl to Fresno flights
Newark to Santa Barbara flights

Top airline flying from Trenton to San Francisco

Discover the top airline that operate flights from Trenton to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$299Average$428FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.